378671451 has 8 divisors (see below), whose sum is σ = 505021440. Its totient is φ = 252384552.

The previous prime is 378671441. The next prime is 378671453. The reversal of 378671451 is 154176873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378671451 - 2²⁷ = 244453723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378671453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (63127680).

Almost surely, 2^378671451 is an apocalyptic number.

378671451 is a deficient number, since it is larger than the sum of its proper divisors (126349989).

378671451 is a wasteful number, since it uses less digits than its factorization.

378671451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31545.

The product of its digits is 141120, while the sum is 42.

The square root of 378671451 is about 19459.4822901330. The cubic root of 378671451 is about 723.4705457005.

The spelling of 378671451 in words is "three hundred seventy-eight million, six hundred seventy-one thousand, four hundred fifty-one".